Request Infofor Raman SpectroscopyTeledyne Princeton InstrumentsTRENTON, N.J., Feb. 11 -- Princeton Instruments and Acton Research Corp., a designer of spectroscopic instrumentation, is proud to announce the HTS lens spectrograph. With a fast optical design, the HTS is well-suited for many applications in the visible spectrum, such as Raman and luminescence spectroscopy. The HTS is an f/1.8 imaging spectrograph optimized for fiber optic light collection. The instrument comes standard with an internal shutter, manually controlled micrometer-tunable wavelength adjustment and a manually adjustable bilateral entrance slit (10 µm to 3 mm). 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